Re^2: Mystery (to me) Data Structure

[jfraire]

Clarification: $hashIPs{$ip}{'region'} = $region; is still using references. It's just that the arrow operator is optional between bracket subscripts, according to perlref.

Julio

Update: And this is really nice when working with arrays of arrays, since they are then used as multidimensional arrays: $array_ref->[$x][$y] or $array[$x][$y].